Home / 6,435.09-9,662.10-3,962.70

Finding the Fourth Proportional to 6,435.09, 9,662.10 and 3,962.70

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Solution

The fourth proportional to 6,435.09, 9,662.10 and 3,962.70 is: 5,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.09 : 9,662.10 = 3,962.70 : x
  2. Step 2: Convert to fraction form
    6,435.09/9,662.10 = 3,962.70/x
  3. Step 3: Cross multiply
    6,435.09x = 9,662.10 × 3,962.70
  4. Step 4: Simplify right side
    6,435.09x = 38,288,003.67
  5. Step 5: Solve for x
    x = 38,288,003.67/6,435.09
  6. Step 6: Final answer
    x = 5,949.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.